Insulation resistance phase electric protection relay 110V(JT(DT)-1-1-110, DT-1/200, JT-1-2-57.7, JT-1-2) )

Model :

JT-1 series phase relay(JT(DT)-1-1-110)

JT-1 series phase relay(JT-1-2-57.7)

JT-1  Sync check relay(JT-1-2)

JT-1 series phase relay(DT-1/200)

JT-1 series phase relay is used in outo-reclosing circuit of two port power supply circuit, to check the vector difference betwiin the vector quantity of the teo port circuit.  
 

1 Setting value range
    Only phase:5°175°
    Voltage vector:110V
2 Contact capacity    250VAC  COSφ=1.0   5A
                        Closing brake:  250VDC  5A
                        Triping brake  250VDC τ=5mS  50W
3 Contact life   Electrical life: More than 105 times; Mechanical life: More than 106 times.
4 Medium intensity   Relay’s every electric terminals are connected together. And ia can endure a  2000V and 50Hz AC voltage (virtual value) to the non-electrification metallic outside part or shell.There is no inxulated breakdown or flashover phenominon.
5 Insulation resistance   Relay’s every electric terminals are connected together. To the non-electrification metallic outside part or shell, its insulated resistance is less than 300MΩ measured by tramegger with opening voltage is 500V.
6 Working condtion  Temperature -10+50, relative humidity≤90%, altitude≤2000m